<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="app">
        <my-ul></my-ul>
        <my-ul></my-ul>
        <my-ul></my-ul>
        <my-ul></my-ul>
    </div>


    <script src="./vue.js"></script>
    <script>
        // Vue全局组件   Vue.component(组件名称, 配置项)
        Vue.component("my-ul", {
            template: "<div><ul><li>123{{ msg }}</li><li>456</li><li>789</li></ul></div>",
            // 在组件中 data需要写成一个函数
            data() {
                return {
                    msg: "消息1"
                }
            }
        })

        new Vue({
            el: "#app"
        })
    </script>
</body>

</html>